C. Gillet

Centre National de la Recherche Scientifique

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Michel Fuss

The University of Texas Health Science Center at San Antonio

Jacques Corvilain

Université Libre de Bruxelles

J. Lefebvre

Centre Virchow-Villermé

Pierre Bergmann

Université Libre de Bruxelles

Thierry Pepersack

Université Libre de Bruxelles

Rafik Karmali

Université Libre de Bruxelles

Rafik Karmali

Centre Hospitalier Universitaire Brugmann

Pierre Van Cutsem

University of Namur

G. Lacroix

Institute of Natural Sciences

Jean Van Geertruyden

Centre Hospitalier Universitaire Brugmann

Cooperative Institutions

Université Libre de Bruxelles

Centre Hospitalier Universitaire Brugmann

Queen Mary University of London

Erasmus Hospital

Guy's Hospital

Centre National de la Recherche Scientifique

University of Liège

Southampton General Hospital

Ninewells Hospital

Nottingham City Hospital

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Calcium metabolism in tuberculosis

Calcified Tissue International (1983)

Michel Fuss C. Gillet Rafik Karmali Thierry Prigogine Paul Dierckx

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Citations (2)

Investigation of neutral hydrogen transport by means of Hα-Resonance fluorescence measurements at the tokamak UNITOR

Journal of Nuclear Materials (1982)

Jörg Hackmann C. Gillet G. Reinhold G. Ritter J. Uhlenbusch

Limiter

Reflection

10.1016/0022-3115(82)90212-4

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Citations (11)

Pergolide for Pituitary Tumors Secreting Prolactin or Growth Hormone

New England Journal of Medicine (1984)

C. Gillet I. Deconinck M. L’Hermite J J Legros J L Waucquez

Pergolide

Pituitary Tumors

Prolactinoma

Prolactin cell

Pituitary neoplasm

10.1056/nejm198403153101120

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Citations (1)

NICKEL ET SES DRIVS

M. B�isson N. Houeix G. Lacroix C. Gillet

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Quaternisation de Dérivés Monohalogénés de la Pyridine Par L'Iodure de Méthyle

Bulletin des Sociétés Chimiques Belges (1963)

G. Coppens F. Declerck C. Gillet J. Nasielski

Abstract The reactivity of six monohalogenated pyridines with methyl iodide has been determined conductimetrically in nitrobenzene. The results are: (k 25 ∘ E A ; log PZ) :2‐chloropyridine (0,204.10 ‐5 ; 16,5; 6,41) 3‐chloropyridine (3,0.10 ‐5 ; 15,1; 6,56); 4‐chloropyridine 7,3.10 ‐5 ; 14,7; 6,66), 2‐bromopyridine (0,11.10 ‐5 ; 16,9; 6,44) 3‐bromopyridine (3,5.10 –5 ; 15,2; 6,7), 4‐bromopyridine (16,9.10 ‐5 ; 14,2; 6,63). Combining these figures with data from the literature, one obtains a good Hammett plot yielding ρ=‐2,5. The relation between the activation energies and the p K a s gives a value of 4.6 for the pK a of 4‐bromopyridine and suggests the following values for the compression energies of ortho substituents Cl:0,17, Br:0,65 and CH 3 :0,50 Kcal/mole. Side reactions, such as polymerization of the reactants or the products, did not interfere with kinetic measurements, suggesting that the instability of 4‐halogenopyridines has been somewhat exaggerated.

Nitrobenzene

Reactivity

10.1002/bscb.19630720103

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Citations (11)

Baron Louis Fredericq, Handboek voor Belgisch Handelsrecht, Etabl. Emile Bruylant S.A., Brussels, vol. I, 1976, 702 pp., vol. II, 1978, 629 pp., vol. III, 1980, 640 pp., Bfrs. ± 7,000 for each volume.

Netherlands International Law Review (1981)

C. Gillet

10.1017/s0165070x00014534

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La Substitution Nucleophile Activée en Série Aromatique. VI. Étude du Rapport Ortho‐Para. Réactivité Des 2 et 4‐Chloro‐Pyridines, Chloropyridinoxydes et Cloronitrobenzènes Avec la Pipéridine Dans la Méthanol.

Bulletin des Sociétés Chimiques Belges (1963)

G. Coppens F. Declerck C. Gillet J. Nasielski

Abstract The 2‐ and 4‐chloro derivatives of pyridine, pyridine‐N oxyde and nitrobenzene have been reacted with molar piperidine in methanol. The results suggest an increased built‐in solvation in the case of 2‐chloropyridine‐N oxyde, and favour the electrostatic interpretation for this particular interaction. The “meta” substituted chlorides have almost identical reactivities; this points to the similarities of the inductive effects for the three activating groups.

Nitrobenzene

Piperidine

10.1002/bscb.19630720902

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Citations (5)

Effect of pH on the Membrane Potential and Electrical Resistance ofNitella flexilisin the Presence of Calcium

Journal of Experimental Botany (1973)

J. Lefebvre C. Gillet

Effects of pH on the membrane potential and electrical resistance of Nitella were investigated in a bathing medium with or without calcium. The membrane potential became more negative as the external pH was raised, at a faster rate in the presence of calcium than in its absence. The value then achieved by the potential could be reversed by restoring the original pH whilst in a Ca-free medium the cell remained ‘hyperpolarized’. Tenfold changes of the external concentration of potassium brought about larger modifications of the membrane potential when the pH of the solution was high and calcium concentration low. The electrical resistance was lowest in alkaline and calcium-free solutions. We conclude that calcium prevents the mediation of some changes in the membrane structure by lowering the concentration of external H+ ions, and that the permeability of Nitella to potassium increases with rising pH.

Nitella

Membrane permeability

Cell permeability

10.1093/jxb/24.6.1024

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Citations (5)

Effets des cations externes sur l'activité des chlorures cytoplasmiques dosés par l'électrode Ag-AgCl introduite dans la cellule de Nitella

Biochimica et Biophysica Acta (BBA) - Biomembranes (1971)

J. Lefebvre C. Gillet

Nitella

10.1016/0005-2736(71)90131-3

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